BR112015016937A2 - drill bit - Google Patents
drill bitInfo
- Publication number
- BR112015016937A2 BR112015016937A2 BR112015016937A BR112015016937A BR112015016937A2 BR 112015016937 A2 BR112015016937 A2 BR 112015016937A2 BR 112015016937 A BR112015016937 A BR 112015016937A BR 112015016937 A BR112015016937 A BR 112015016937A BR 112015016937 A2 BR112015016937 A2 BR 112015016937A2
- Authority
- BR
- Brazil
- Prior art keywords
- drill bit
- blade
- edge
- leading edge
- cutting
- Prior art date
Links
- 229910003460 diamond Inorganic materials 0.000 abstract 2
- 239000010432 diamond Substances 0.000 abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000005553 drilling Methods 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
- E21B10/55—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits with preformed cutting elements
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Drilling Tools (AREA)
- Earth Drilling (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
1 / 1 resumo âbroca de perfuraããoâ uma broca de perfuraã§ã£o compreende pelo menos uma lã¢mina compreendendo uma pluralidade de elementos de corte na forma de cortadores de diamante policristalino dispostos sobre uma borda de ataque da lã¢mina, pelo menos uma regiã£o de corte impregnada de diamante, disposta atrã¡s da borda de ataque da lã¢mina, e que pelo menos um dos cortadores disposto na borda de ataque ã© um elemento de corte sem ponta, arranjado de modo que nã£o engate com a formaã§ã£o durante a perfuraã§ã£o atã© ocorrer o desgaste da broca.1 / 1 summary "Drill bit" A drill bit comprises at least one blade comprising a plurality of cutting elements in the form of polycrystalline diamond cutters disposed on an edge of edge of the blade, at least one cutting region impregnated with diamond, arranged behind the leading edge of the blade, and that at least one of the cutters arranged on the leading edge is a cutting element without tip, arranged so that it does not engage with the formation during drilling until wear of the bit occurs.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB1302379.1A GB201302379D0 (en) | 2013-01-16 | 2013-01-16 | Drill bit |
GB1302379.1 | 2013-01-16 | ||
PCT/GB2014/050041 WO2014111690A2 (en) | 2013-01-16 | 2014-01-08 | Drill bit |
Publications (2)
Publication Number | Publication Date |
---|---|
BR112015016937A2 true BR112015016937A2 (en) | 2017-07-11 |
BR112015016937B1 BR112015016937B1 (en) | 2021-10-26 |
Family
ID=47998932
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112015016937-6A BR112015016937B1 (en) | 2013-01-16 | 2014-01-08 | DRILLING DRILL |
Country Status (4)
Country | Link |
---|---|
US (1) | US9869131B2 (en) |
BR (1) | BR112015016937B1 (en) |
GB (2) | GB201302379D0 (en) |
WO (1) | WO2014111690A2 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11208847B2 (en) | 2017-05-05 | 2021-12-28 | Schlumberger Technology Corporation | Stepped downhole tools and methods of use |
CN108868625A (en) * | 2017-05-12 | 2018-11-23 | 西南石油大学 | A kind of combined cut diamond bit |
CA3012543A1 (en) | 2017-08-23 | 2019-02-23 | Varel International Ind., L.L.C. | Drill bit having shaped leading cutter and impregnated backup cutter |
CA3015397A1 (en) | 2017-10-10 | 2019-04-10 | Varel International Ind., L.L.C. | Drill bit having shaped impregnated shock studs and/or intermediate shaped cutter |
WO2022169841A1 (en) * | 2021-02-02 | 2022-08-11 | Ulterra Drilling Technologies, L.P. | Drill bit |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4991670A (en) | 1984-07-19 | 1991-02-12 | Reed Tool Company, Ltd. | Rotary drill bit for use in drilling holes in subsurface earth formations |
US5549171A (en) * | 1994-08-10 | 1996-08-27 | Smith International, Inc. | Drill bit with performance-improving cutting structure |
GB9712342D0 (en) | 1997-06-14 | 1997-08-13 | Camco Int Uk Ltd | Improvements in or relating to rotary drill bits |
US6659199B2 (en) | 2001-08-13 | 2003-12-09 | Baker Hughes Incorporated | Bearing elements for drill bits, drill bits so equipped, and method of drilling |
US20070267227A1 (en) * | 2006-05-08 | 2007-11-22 | Varel International Ind., L.P. | Drill bit with staged durability, stability and rop characteristics |
US7845435B2 (en) * | 2007-04-05 | 2010-12-07 | Baker Hughes Incorporated | Hybrid drill bit and method of drilling |
US20090084606A1 (en) | 2007-10-01 | 2009-04-02 | Doster Michael L | Drill bits and tools for subterranean drilling |
US7954571B2 (en) * | 2007-10-02 | 2011-06-07 | Baker Hughes Incorporated | Cutting structures for casing component drillout and earth-boring drill bits including same |
US9644428B2 (en) | 2009-01-09 | 2017-05-09 | Baker Hughes Incorporated | Drill bit with a hybrid cutter profile |
US8079430B2 (en) * | 2009-04-22 | 2011-12-20 | Baker Hughes Incorporated | Drill bits and tools for subterranean drilling, methods of manufacturing such drill bits and tools and methods of off-center drilling |
WO2011057303A2 (en) | 2009-11-09 | 2011-05-12 | Newtech Drilling Products, Llc. | Drill bit with recessed center |
US20120031671A1 (en) * | 2010-08-03 | 2012-02-09 | National Oilwell Varco, L.P. | Drill Bits With Rolling Cone Reamer Sections |
-
2013
- 2013-01-16 GB GBGB1302379.1A patent/GB201302379D0/en not_active Ceased
-
2014
- 2014-01-08 BR BR112015016937-6A patent/BR112015016937B1/en active IP Right Grant
- 2014-01-08 GB GB1400252.1A patent/GB2511411B/en active Active
- 2014-01-08 US US14/761,244 patent/US9869131B2/en active Active
- 2014-01-08 WO PCT/GB2014/050041 patent/WO2014111690A2/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
US9869131B2 (en) | 2018-01-16 |
GB2511411B (en) | 2019-10-16 |
WO2014111690A3 (en) | 2014-12-31 |
BR112015016937B1 (en) | 2021-10-26 |
WO2014111690A2 (en) | 2014-07-24 |
GB2511411A (en) | 2014-09-03 |
GB201302379D0 (en) | 2013-03-27 |
GB201400252D0 (en) | 2014-02-26 |
US20150345228A1 (en) | 2015-12-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 08/01/2014, OBSERVADAS AS CONDICOES LEGAIS. |